export LD_LIBRARY_PATH= [location of library] leave out the :$LD_LIBRARY_PATH ________________________________ From: users-boun...@open-mpi.org [users-boun...@open-mpi.org] on behalf of seshendra seshu [seshu...@gmail.com] Sent: Wednesday, April 25, 2012 10:43 AM To: Open MPI Users Subject: Re: [OMPI users] regarding the problem occurred while running anmpi programs
Hi I have exported the library files as below [master@ip-10-80-106-70 ~]$ export LD_LIBRARY_PATH=/usr/local/openmpi-1.4.5/lib:$LD_LIBRARY_PATH [master@ip-10-80-106-70 ~]$ mpirun --prefix /usr/local/openmpi-1.4.5 -n 1 --hostfile hostfile out out: error while loading shared libraries: libmpi_cxx.so.0: cannot open shared object file: No such file or directory [master@ip-10-80-106-70 ~]$ mpirun --prefix /usr/local/lib/ -n 1 --hostfile hostfile out out: error while loading shared libraries: libmpi_cxx.so.0: cannot open shared object file: No such file or directory But still iam getting the same error. On Wed, Apr 25, 2012 at 5:36 PM, Jeff Squyres (jsquyres) <jsquy...@cisco.com<mailto:jsquy...@cisco.com>> wrote: See the FAQ item I cited. Sent from my phone. No type good. On Apr 25, 2012, at 11:24 AM, "seshendra seshu" <seshu...@gmail.com<mailto:seshu...@gmail.com>> wrote: Hi now i have created an used and tried to run the program but i got the following error [master@ip-10-80-106-70 ~]$ mpirun -n 1 --hostfile hostfile out out: error while loading shared libraries: libmpi_cxx.so.0: cannot open shared object file: No such file or directory thanking you On Wed, Apr 25, 2012 at 5:12 PM, Jeff Squyres <jsquy...@cisco.com<mailto:jsquy...@cisco.com>> wrote: On Apr 25, 2012, at 11:06 AM, seshendra seshu wrote: > so should i need to create an user and run the mpi program. or how can i run > in cluster It is a "best practice" to not run real applications as root (e.g., MPI applications). Create a non-privlidged user to run your applications. Then be sure to set your LD_LIBRARY_PATH if you installed Open MPI into a non-system-default location. See this FAQ item: http://www.open-mpi.org/faq/?category=running#adding-ompi-to-path -- Jeff Squyres jsquy...@cisco.com<mailto:jsquy...@cisco.com> For corporate legal information go to: http://www.cisco.com/web/about/doing_business/legal/cri/ _______________________________________________ users mailing list us...@open-mpi.org<mailto:us...@open-mpi.org> http://www.open-mpi.org/mailman/listinfo.cgi/users -- WITH REGARDS M.L.N.Seshendra _______________________________________________ users mailing list us...@open-mpi.org<mailto:us...@open-mpi.org> http://www.open-mpi.org/mailman/listinfo.cgi/users _______________________________________________ users mailing list us...@open-mpi.org<mailto:us...@open-mpi.org> http://www.open-mpi.org/mailman/listinfo.cgi/users -- WITH REGARDS M.L.N.Seshendra